Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (CRC - 598)
Wilhelm Roux Program (16/19, 14/41)
Federal Employment Office, Saxony Anhalt (MKCARLA- MLU-2011)
personal intramural project funding (PK26)
Received: 15 April 2019
Accepted: 17 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: All CARLA participants gave their written informed consent. The local ethics committee of the Medical Faculty of the Martin-Luther-University Halle-Wittenberg and the State Data Privacy Commissioner of Saxony-Anhalt approved the study. The CARLA study conforms to the principles outlined in the declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.